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2 - 16 ONline Ethernet 24-Port 10BASE-T Module Installation Guide
Redundant Twisted Pair Backbone
You can implement twisted pair link redundancy between ONline System
Concentrators using network management.
Figure 2-5 shows an example of a redundant configuration between
concentrators using 24-Port Modules.
Figure 2-5. Redundant Twisted Pair Configuration Using 24-Port
Modules
To set link redundancy between two 24-Port Modules (refer to Figure 2-5):
1. Connect one port on the 24-Port Module installed in the concentrator
on the left to a corresponding port on the 24-Port Module installed in
the concentrator on the right.
2. Connect the second port on the 24-Port Module installed in the
concentrator on the left to a corresponding port on the 24-Port
Module installed in the concentrator on the right.
Note: Use a crossover adapter between each link because the
links are designed to be connected to station ports, not to
other lobe ports.